<template>
  <div> 用户列表
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <!-- 搜索区域 -->
      <el-row :gutter="25">
        <el-col :span="10">
          <el-input placeholder="请输入搜索内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getNewUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="密码" prop="password"></el-table-column>
        <el-table-column label="角色" prop="role"></el-table-column>
        <el-table-column label="状态" prop="state">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配权限" placement="top-start" :enterable="false">
              <!--文字提示 enterable 隐藏-->
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--   分页组件 size-change 每页最大变化 current-change 当前最大变化 layout 功能组件   -->
      <div>
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pageNum" :page-sizes="[1, 2, 5, 100]" :page-size="queryInfo.pageSize" layout="total, sizes, prev, pager, next, jumper" :total="total"></el-pagination>
      </div>
    </el-card>
    <!-- 新增用户区域 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="addUser">确认</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户 -->
    <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="editForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="editUserInfo">确认</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: '',
  data() {
    return {
      queryInfo: {
        query: '',
        pageNum: 1,
        pageSize: 5,
      },
      userList: [],
      total: 0,
      addDialogVisible: false, //对话框状态
      // 添加表单信息
      addForm: {
        username: '',
        password: '',
        email: '',
      },
      // 修改用户信息
      editForm: {
        username: '',
        password: '',
        email: '',
      },
      // 显示/隐藏修改用户栏
      editDialogVisible: false,
      // 添加表单验证
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 5, max: 8, message: '长度在 5 到 8 个字符', trigger: 'blur' },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 8, message: '长度在 6 到 8 个字符', trigger: 'blur' },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { min: 5, max: 15, message: '请输入正确邮箱地址', trigger: 'blur' },
        ],
      },
      // 修改表单验证
      editFormRules: {
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 8, message: '长度在 6 到 8 个字符', trigger: 'blur' },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { min: 5, max: 15, message: '请输入正确邮箱地址', trigger: 'blur' },
        ],
      },
    }
  },
  mounted() {},
  created() {
    this.getUserList()
  },
  methods: {
    // 获取所有用户
    async getUserList() {
      const { data: res } = await this.$http.get('alluser', {
        params: this.queryInfo,
      })
      this.userList = res.data
      this.total = res.numbers
    },
    //  表格一页显示的最大数
    handleSizeChange(newSize) {
      this.queryInfo.pageSize = newSize
      this.getUserList()
    },
    //  pagNum的触发动作
    handleCurrentChange(newPage) {
      this.queryInfo.pageNum = newPage
      this.getUserList()
    },
    //搜索用户
    getNewUserList() {
      this.queryInfo.pageNum = 1
      this.getUserList()
    },
    //改变用户状态
    async userStateChanged(row) {
      const { data: res } = await this.$http.put(
        `userstate?id=${row.id}&state=${row.state}`
      )
      if (res != 'success') {
        row.id = !row.id
        return this.$message.error('操作失败!')
      }
      this.$message.success('操作成功')
    },
    // 监听添加用户
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return
        const { data: res } = await this.$http.post('addUser', this.addForm)
        if (res != 'success') {
          return this.$message.error('操作失败!!!')
        }
        this.$message.success('操作成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 根据主键删除用户
    async deleteUser(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除用户,是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      if (confirmResult != 'confirm') {
        //取消
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('deleteUser?id=' + id)
      if (res != 'success') {
        return this.$message.error('删除失败!')
      }
      this.$message.success('删除成功!')
      this.getUserList()
    },
    //显示对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('getupdate?id=' + id)
      this.editForm = res //查询出用户信息反填回编辑表单
      this.editDialogVisible = true //开启编辑对话框
    },
    // 关闭窗口
    editDialogClosed() {
      this.$refs.editFormRef.resetFields() //重置信息
    },
    // 确认修改
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return
        // 发起请求
        const { data: res } = await this.$http.put('edituser', this.editForm)
        if (res != 'success') {
          return this.$message.error('操作失败!')
        }
        this.$message.success('操作成功!')
        this.editDialogVisible = false
        this.getUserList()
      })
    },
  },
}
</script>
<style lang="less" scoped>
</style>